YB/T 681-1997 Replaced Industry standards-Black metallurgy

YB/T 681-1997 The specification for 20A thin-walled seamless steel tube used in aviation ducting

Publish Date: 1997-02-19 Implement Date: 1997-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: YB/T 681-1997

Standard Type: Industry standards

Standard Status: Replaced

is_force_gb: no

CCS Name: -

ICS Name: -

Publish Date: 1997-02-19

Implement Date: 1997-07-01

Pages: 8 pages

Development Information

Word Count: 12 Thousand words Pages: 8 pages

Replace the following standards

YB 681-1971作废

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